In the study area it feeds mainly on the bivalves Glycymeris glycymeris and Callista chione, together with the gastropod Cyclope neritea between 5 and 30 m depth and almost exclusively on the bivalve Timoclea ovata between 50 and 200 m depth (ref: BaetGali2016)

Discussion

Because this species changes shape during growth, arm length was converted to volumetric length